The Vanguard Group filed Amendment No. 15 to a Schedule 13G/A reporting 0 shares and 0% beneficial ownership of Kaiser Aluminum Corp common stock (CUSIP 483007704) after an internal realignment. The filing states certain subsidiaries and business divisions will report separately in reliance on SEC Release No. 34-39538, and that The Vanguard Group, Inc. no longer is deemed to have beneficial ownership of securities held by those entities. The amendment was signed on 03/27/2026 and references the internal realignment effective 01/12/2026.
Kaiser Aluminum reports a Form 144 notice reporting proposed sales of common stock through UBS Financial Services Inc. The filing lists proposed transactions dated 03/05/2026 comprising 1,848 RSU-derived shares, 4,069 under a PSA, and 1,194 RSU-derived shares. The filing also discloses 15,231 common shares sold during the prior three months on 02/23/2026.
Kaiser Aluminum Corp President & CEO Keith Harvey reported equity compensation changes in company stock. On March 5, 2026, he acquired 17,795 restricted stock units and 47,895 shares earned from performance share vesting, both at no cash price, under the 2021 Equity and Incentive Compensation Plan.
On the same date, 17,722 shares and 6,859 shares were withheld at a price of $125.84 per share to cover tax obligations from these vestings. After these grant and tax-withholding transactions, Harvey directly owned 144,340 shares of Kaiser Aluminum common stock.
Robb Thomas H. reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corporation executive Thomas H. Robb, EVP – Manufacturing, received a grant of 2,954 shares of common stock in the form of restricted stock units under the company’s 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions on these units are scheduled to lapse on March 5, 2029, or earlier upon certain specified circumstances, and following this award he directly holds 17,898 shares of common stock.
On March 5, 2026, Kaiser Aluminum senior vice president Gheorghe Iulian was awarded 852 shares of common stock at no cost, in connection with restricted stock units under the 2021 Equity and Incentive Compensation Plan. That day 216 shares were withheld at $125.8400 per share to satisfy tax obligations from vesting of 2025 restricted stock units. After these events he directly holds 4,623 Kaiser Aluminum shares.
Kaiser Aluminum EVP Hugh J. Barger III received an equity grant in the form of restricted stock units. He acquired 1,686 shares of common stock at a grant price of $0.00 per share as a compensatory award, increasing his directly held stake to 5,711 shares.
The grant was made under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions on these restricted stock units are scheduled to lapse on March 5, 2029, or earlier if certain specified conditions are met.
Kaiser Aluminum Corporation reported insider equity compensation activity for Vijai Narayan, VP, Corporate Controller and CAO. On March 5, 2026, he received a grant of 733 restricted stock units under the 2021 Equity and Incentive Compensation Plan, with all restrictions scheduled to lapse on March 5, 2029 unless certain earlier conditions occur.
On the same date, 482 shares and 97 shares of common stock were withheld at $125.84 per share to satisfy tax withholding obligations related to the vesting of earlier restricted stock unit grants. After these transactions, he directly owned 7,517 shares, including shares previously acquired through restricted stock unit grants.
Kaiser Aluminum Corporation EVP & CFO Neal E. West reported multiple equity-related transactions in the company’s common stock. On March 5, 2026, he received 3,905 restricted stock units under the 2021 Equity and Incentive Compensation Plan, with restrictions scheduled to lapse on March 5, 2029, subject to specified conditions.
He also acquired 12,296 shares earned from performance shares granted in 2023, after the compensation committee certified achievement of 2023–2025 performance goals. To cover withholding taxes from these vestings, 3,694 shares and 1,761 shares were disposed at $125.84 per share. Following these transactions, he directly owned 29,706 shares, and an additional 12,775 shares were held indirectly by the West Family Trust.
Kaiser Aluminum executive John Malcolm Donnan, EVP, CAO and GC, reported equity awards and related tax withholding transactions in company common stock. On March 5, 2026, he acquired 3,699 restricted stock units under the 2021 Equity and Incentive Compensation Plan; all restrictions are scheduled to lapse on March 5, 2029, or earlier under certain circumstances.
On the same date, he also acquired 11,649 shares earned upon vesting of 2023 performance shares after the compensation committee certified the payout based on 2023–2025 goals. To cover withholding taxes from the vesting of these performance shares and certain 2023 restricted stock units, 3,441 shares and 1,669 shares were disposed of, respectively. After these transactions, he held 32,443 shares of common stock directly, including shares previously acquired via restricted stock unit grants.
Robb Thomas H. reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum executive Thomas H. Robb, EVP – Manufacturing, received an equity grant of 440 shares of common stock in the form of restricted stock units at no cash cost on February 23, 2026, under the company’s 2021 Equity and Incentive Compensation Plan.
According to the award terms, restrictions on 220 restricted stock units are scheduled to lapse on February 23, 2029, and restrictions on the remaining 220 units are scheduled to lapse on February 23, 2031, in each case subject to earlier lapse upon certain specified circumstances. Following this grant, Robb directly holds 14,944 shares of Kaiser Aluminum common stock.